You can tell I'm behind again in reading my RSS feeds -- I've caught up to Earth Day. But these are such interesting sites I have to share them.
Free Green offers free energy-efficient house plans, with full construction documentation and other related material. You can also join the community and ask questions about specific designs or green building in general.
Sierra Club Green Home is dedicated to helping you create a more sustainable home environment. The site is full of information about reducing emissions, saving on energy, recycling, and more. They have a discussion board for members, too.
Sustainable Table celebrates local sustainable food, educates consumers on food-related issues, and works to build community through food. They encourage the purchase of organic and local food, and their locator will show you markets, coops, and even restaurants within 20 miles your zip code that meet their criteria. They also have a section called "The Issues," which gives a huge amount of information about what they see as the problems with our food choices, from factory farms to additives to pollution caused by the agriculture industry.
The US Department of Energy has a website devoted to energy efficiency and renewable energy. There's information about designing and remodeling, appliances, landscaping, lighting, alternative energy sources like wind and solar, and much more.
Homepower magazine is a good source of information and inspiration about solar, wind, and other alternative energy systems.
The web makes it pretty easy to make every day Earth Day!